redirect and get the output of console of eclipse to string or output text java -

i tired redirect output of eclipse output text , principale idea output of eclipse console , th result maven description,
want redirect output such hudson console in output text

public class redirecttest {   public static void main(string[] args) throws ioexception {     printstream ps = new printstream(new bufferedoutputstream(new fileoutputstream(new file("output.txt"))), true);     system.setout(ps);     system.out.println("test");   } }